Do not overwrite rc.conf by zfsinstall
Do not overwrite rc.conf by zfsinstall

Suggested by:	Michael Ranner <michael@ranner.eu>

DaElf/mfsbsd,solobsd/SoloBSD,meganuke19/mfsbsd,meganuke19/mfsbsd,solobsd/SoloBSD,johnko/mfsbsd,mmatuska/mfsbsd,DaElf/mfsbsd,mmatuska/mfsbsd,johnko/mfsbsd